HCD-DX70 - Sony Audio Service Manual (repair manual). Page 12

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* Tape function
1. When a tape is inserted in Deck B and recording is started, the

input source function selects VIDEO automatically.
When  CD SYNC/HI-DUB  button is pressed during Rec in
function, ALC is turned on.

2.   When   x  button is pressed to stop recording, the Tape (Deck)

B is selected and tape is rewound, tape is rewound using  m
button, tape is stops at around the record-starting position and
playback of the recorded portion of the tape is started.  If PAUSE
is inserted even once during recording, tape is rewound to the
position around the PAUSE position and is played back.

3.

When  CD SYNC / HI-DUB  button is pressed during playback
of Deck B, either normal speed or high speed can be selected
by this button.

* AMS Test Mode
1.

Set TAPE function

2.

Select the desired loop by pressing the  PLAY MODE  button.
Insert a test tape AMS-110A or AMS-120 to Deck A.

3.

Press the  SPECTRUM  button to enter the AMS test mode.

4.

After a tape is rewound first, the FF AMS is checked, and the
mechanism is shut off after detecting the AMS signal twice.

5.

Then the REW AMS is checked and the mechanism is shut off
after detecting the AMS signal twice.

6.

When the check is complete, a message of either OK or NG
appears.

* To return to normal mode again.
1.

When you want to exit this mode, press the  ?/1  button.

2.     The cold reset is enforced at the same time.

• This mode is used to switch ON and OFF the VACS (Variable

Attenuation Control System).

Procedure:
Press the  ENTER  and  SPECTRUM  buttons simultaneously.  The
message “VACS OFF” or “VACS ON” appears.

• This mode can run the CD sled motor freely. Use this mode, for

instance, when cleaning the pickup.

Procedure:
1. Press ?/1 button to turn the set ON.
2. Select the function “CD”.
3. Press three buttons x ,  ENTER , and  OPEN/CLOSE  simul-

taneously.

4. The CD service mode is selected.
5. With the CD in stop status, press 

M

 button  to move the pickup

to outside track, or press 

m

 button to inside track.

6. To exit from this mode, perform as follows:

1) Move the pickup to the most inside track.
2) Press  ?/1  button to turn the set OFF.

 • Always move the pickup to most inside track when exiting from

this mode.  Otherwise, a disc will not be unloaded.

• Do not run the sled motor excessively, otherwise the gear can be

chipped.

• This mode moves the pickup to the position durable to vibra-

tion. Use this mode when returning the set to the customer after
repair.

Procedure:
1. Press

1/u button to turn the set ON.

2. Press  three  buttons  x  , ENTER and GAME  simultaneously.
3. After the "STANDBY" display blinks six times, a message

“LOCK” is displayed on the fluorescent indicator tube, and the
CD ship mode is set.

• This mode moves the pickup to the position durable to vibra-

tion. Use this mode when returning the set to the customer after
repair.

Procedure:
1. Press

1/u button to turn the set ON.

2. Press  CD  button and  

1/u   button simultaneously.

3. After the "STANDBY" display blinks six times, a message

“LOCK” is displayed on the fluorescent indicator tube, and the
CD ship mode is set.

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